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Read and write multi-digit whole numbers

Three ways to write a number

Base-ten Numerals (Standard Form) - 6,518,487
        Write the number normally.

Number Name (Word Form) - six million, five hundred eighteen thousand, four hundred eighty seven
        Write the number the same way you read it.

Expanded Form - 6,000,000 + 500,000 + 10,000 + 8,000 + 400 + 80 + 7
        Write the value of each digit in the number  added together.